package com.itheima.mapper;

import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDateTime;
import java.util.List;

@Mapper
public interface EmpMapper {

    /*查询总记录数
    * *//*
    @Select("select count(*) from emp")
    public Long count();

    *//*分页查询
    * *//*
    @Select("select * from emp limit #{start},#{pageSize}")
    public List<Emp> page(Integer start,Integer pageSize);
*/

    /*员工信息查询
    * */
    public List<Emp> list(String name, Short gender, LocalDateTime begin, LocalDateTime end);

    /*批量删除
    * */
    void delete(List<Integer> ids);

    @Insert("insert into emp (username,name,gender,image,job,entrydate,dept_id,create_time,update_time)" +
            "values (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

    @Select("select * from emp where id = #{id}")
    Emp getById(Integer id);


    void update(Emp emp);

    /*根据用户名和密码查询用户
    * */
    @Select("select * from emp where username = #{username} and password =#{password}")
    Emp getByUsernameAndPassword(Emp emp);
    @Delete("delete from emp where dept_id = #{deptId}")
    void deleteByDeptId(Integer deptId);
}
